99984223 has 4 divisors (see below), whose sum is σ = 100004440. Its totient is φ = 99964008.

The previous prime is 99984221. The next prime is 99984239. The reversal of 99984223 is 32248999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32248999 = 331 ⋅97429.

It is a cyclic number.

It is not a de Polignac number, because 99984223 - 2¹ = 99984221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99984221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (25001110).

Almost surely, 2^99984223 is an apocalyptic number.

99984223 is a deficient number, since it is larger than the sum of its proper divisors (20217).

99984223 is a wasteful number, since it uses less digits than its factorization.

99984223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216.

The product of its digits is 279936, while the sum is 46.

The square root of 99984223 is about 9999.2111188833. The cubic root of 99984223 is about 464.1344719618.

The spelling of 99984223 in words is "ninety-nine million, nine hundred eighty-four thousand, two hundred twenty-three".